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OpenStudy (anonymous):
Direct Variation? If x varies directly as y, and x = 7 1/2 when y = 10, find x when y = 4. x=?
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OpenStudy (bahrom7893):
y=kx
OpenStudy (bahrom7893):
10=k(15/2) 20=15k k=20/15=4/3
OpenStudy (bahrom7893):
y=(4/3)x 4=(4/3)x x=3
OpenStudy (anonymous):
thank you bah!
OpenStudy (bahrom7893):
np becca
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